1220201333100 has 108 divisors (see below), whose sum is σ = 3844470693336. Its totient is φ = 323701032960.

The previous prime is 1220201333081. The next prime is 1220201333101. The reversal of 1220201333100 is 13331020221.

1220201333100 is a `hidden beast` number, since 1 + 220 + 2 + 0 + 133 + 310 + 0 = 666.

It is a super-3 number, since 3×1220201333100³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1220201333101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3338682 + ... + 3686081.

Almost surely, 2^{1220201333100} is an apocalyptic number.

1220201333100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220201333100 is an abundant number, since it is smaller than the sum of its proper divisors (2624269360236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220201333100 is a wasteful number, since it uses less digits than its factorization.

1220201333100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024976 (or 7024966 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220201333100 its reverse (13331020221), we get a palindrome (1233532353321).

The spelling of 1220201333100 in words is "one trillion, two hundred twenty billion, two hundred one million, three hundred thirty-three thousand, one hundred".